Device for insulating a combustion engine



FIG. 1 is a top, front perspective view of a device for insulating a combustion engine showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an elevational view of a first side thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an elevational view of a second side thereof;

FIG. 6 is an elevational view of a first end thereof; and,

FIG. 7 is an elevational view of a second end thereof.

The broken lines showing of unclaimed portions of the device for insulating an internal combustion engine form no part of the claimed design. 

The ornamental design for a device for insulating an internal combustion engine, as shown and described. 